CNC punching sheet metal
Here’s a great example of CNC punching sheet metal in the form of pre-anodised reflector material used for light fittings.
Fast Tube by Casper
For more information on CNC punching please take a look at Trumpf 200/3000R CNC punch
General information on CNC punching and tooling can be found on What is cnc punching?
If you have a sheet metal project that needs CNC punching and you want to see which tooling to define without any costs please take a look at Trumpf standard 2D tooling